This instruction manual covers Hanna Instruments HI 93551, HI 93551N, HI 93551R, HI 93542, HI 93552 and HI 93552R K, J and T thermometers. It describes thermocouple measurements, a dual-level LCD, °C/°F selection, HOLD, auto-off, remaining battery life indication and low battery detection. Certain models add calibration of meter and probe at 0°C, a backlit display, stored reading recall and a serial port interface.
The manual includes preliminary examination, a general description, model-specific specifications, an operational guide, serial port communication, user calibration, battery replacement and accessories. HI 93542, HI 93552 and HI 93552R are two-channel thermometers; HI 93551R and HI 93552R are equipped with a serial port interface.
| Thermocouple types | K, J and T |
|---|---|
| Range, K thermocouple | -200.0 to 999.9°C / 1000 to 1371°C |
| Resolution | 0.1°C (-149.9 to 999.9°C) |
| Accuracy | ±0.5°C (-100.0 to 999.9°C), for one year, excluding probe error |
| Battery type | 3x 1.5V AA alkaline batteries |
| Battery life | approx. 500 hours of continuous use |
| Auto-off (HI 93551R/93552R) | 8 min, 60 min, disabled |
| Serial port | unidirectional, 8-bit data, 1200 baud |
| Dimensions | 150 x 80 x 36 mm |
| Weight | 235 g (8.3 oz) |
HI 93542, HI 93552 and HI 93552R are two-channel thermometers, described for monitoring two samples at once.
They can take measurements with K, J and T thermocouple probes.
Each meter is supplied with 3x 1.5V AA alkaline batteries.
Hanna Instruments meters are warranted for two years against defects in workmanship and materials.